I don´t know...but if i can say but opinion about japan and imigrants...you know...my japanese sensei once told me..."Japanese really like foreigners if they know you left one day"...but i must say i think that japanese like foreigner...surely there are some people who don´t...but it´s everywhere...but from my expirience...to me, everyone in japan were so kind and helpfull...bnut it´s only my opinion...